Offshore Wind Transport and Installation Contract Awarded to Allseas – Heavy Lift News
12 Jan 2023

Offshore Wind Transport and Installation Contract Awarded to Allseas

Allseas has secured additional transport and installation (T&I) work for the offshore wind industry, providing services for Vattenfall’s Norfolk Boreas project off the coast of Norfolk, UK.

Aker Solutions and Siemens Energy will provide grid connection infrastructure for the Norfolk Boreas Offshore Wind Farm. On 15 December, the former awarded Allseas with the T&I contract for the Boreas high voltage direct current (HVDC) converter station.

 

 

Located 47 kilometres off the Norfolk coast and with a capacity of 1.4 GW, Norfolk Boreas is the first phase of Vattenfall’s Norfolk Offshore Wind Zone.

Allseas also has T&I options for two similar HVDC platforms for the neighbouring Norfolk Vanguard wind farm, pending an investment decision by Vattenfall.

The Wind Zone will produce enough renewable electricity to power around 4.6 million homes and save around six million tonnes of CO₂ when fully operational.

 

 

The three platforms – Boreas, Vanguard East and Vanguard West – will house HVDC conversion technology. Topsides weights are between 10,000t and 11,300t, with the jackets weighing about 3000t.

Pioneering Spirit will install the Boreas platform in 2026.

 

 

Source Allseas

 

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